Test environments local Arch Linux Install, kernel 4.20.3-arch1-1-ARCH, R 3.6.1 ubuntu 14.04.5 LTS (on travis-ci), R 3.5.3 win-builder (devel and release) r-hub builder R CMD check results There were no ERRORs, no WARNINGs, and no NOTEs Downstream dependencies There are no downstream dependencies